{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-86287 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-86287 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-86287 is a high-severity vulnerability, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-86287 and fix it if it is affected.\n\nWhat it is: CVE-2026-86287 is a high-severity vulnerability, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-86287 in the wild and no public exploit code.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-86287/ (Markdown: https://insights.sbomify.com/CVE-2026-86287/index.md)","id":"CVE-2026-86287","markdown":"https://insights.sbomify.com/CVE-2026-86287/index.md","name":"CVE-2026-86287","record":{"aliases":["GHSA-456r-qjr2-xph9"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Perl IP library","requires_auth":"none","summary":"Attackers can bypass IP allow-lists or deny-lists by providing malformed prefix lengths, causing the library to incorrectly accept or block all addresses.","user_interaction":"not_required","vuln_class":"business_logic"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"CPANSec","cpe":[],"cvss":{"score":7.5,"severity":"high","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-1287","name":"Improper Validation of Specified Type of Input"}],"description":"Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths.\n\nNon-numeric and non-ASCII prefix lengths are accepted and treated as 0. Integers over 31 bits are silently truncated.  A single malformed mask will poison the lookup table.\n\nThe result is that the lookup will silently succeed for every address. An allow-list will allow every address, and a deny-list will block every address.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths","id":"CVE-2026-86287","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"business_logic","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"ModelCloud GPTQModel Triton dequantization kernel tritonv2.py out-of-bounds","id":"CVE-2026-86288"},"packages":[],"prev":{"headline":"BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control","id":"CVE-2026-86285"},"products":[],"published":"2026-09-07","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-08","vendors":[]},"summary":"Attackers can bypass IP allow-lists or deny-lists by providing malformed prefix lengths, causing the library to incorrectly accept or block all addresses.","url":"https://insights.sbomify.com/CVE-2026-86287/"}